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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Daniel Mayer is Good. Dr. Mayer has been reviewed by 21 patients who have provided 4 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.9
Courteous Staff 3.9
Accurate Diagnosis 3.8
Bedside Manner 4.2
Spends Time with Me 3.8
Follows Up After Visit 4.6

Specialties & Research

  • He has special expertise in 11 areas:
  • Allergy
  • Asthma
  • Drug Allergy
  • Eczema
  • Food Allergy (Hypersensitivity)
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Immunotherapy
  • Latex Allergy (Latex Hypersensitivity)
  • Nasal Allergy (Rhinitis)
  • Pulmonology
  • Sinus Infection (Sinusitis)

Education & Awards

Dr. Mayer graduated from Universita Degli Studi Di Bologna. He has 3 awards.

Suffolk County Medical Society
Castle Connolly Top Doctors: New York Metro Area™ (1999 - 2008, 2010 - 2015)
On-Time Doctor Award (2014)


Dr. Mayer has 12 hospital affiliations:

  • Stony Brook University Hospital 
  • St Catherine Of Siena Medical Center 


  • Spanish
  • Italian
  • English

> > > > Dr. Daniel Mayer, MD

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Additional Information
Dr. Daniel DR Mayer MD is a male Allergist & Immunologist, has 33 years of experience and practices in Allergy & Immunology.
Where does Dr. Daniel D. Mayer practice?
Dr. Daniel Mayer has 1 office location.
Dr. Daniel Mayer practices Allergy & Immunology near Smithtown, NY.
See Smithtown Allergists.